After further investigation later, I found a faulty patch cable to be the issue (go figure). I'd been using that cable for as long as the CIFS server was in use, but at some point, it just decided to not work properly. I replaced the cable, and the speed issues disappeared.
So, this bug can be closed as rejected, but I'm at a loss as to how to do that exactly. :) -- CIFS seems to be very slow https://launchpad.net/bugs/79503 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
